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3 years ago

Pick correct graph from multiple choice options. A.B.C.D

Mathematics

1 answer:

True [87]3 years ago

3 0

Answer:

the answer is d because the line intersects at 4 and none of the other intersect at 4 and the slope would be 1/8.

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Solve. <br> X^2+5x-10=0 <br> Enter your answers, as exact values, in the boxes.

Grace [21]

Answer:

$x^{2} + 5x - 10 = 0 \\x^{2} + 5x = 10 \\ x(x + 5) = 10$

Now,

Either,

x=10

Or,

x+5=10

x=10-5

x=5

3 0

3 years ago

I need help on letter b!

Likurg_2 [28]

40 of the toys weren't dolls. The reason why is 5/8 times 64 is equal to 40.

7 0

3 years ago

Read 2 more answers

Find the range, mean, and standard deviation of the data set (3, 6, 9, 11, 15, 16) The range is 13 (Type a whole number.) The me

iris [78.8K]

Answer: The range is 13. The mean is 10. The standard deviation is 4.62 .

Step-by-step explanation:

The given data : 3, 6, 9, 11, 15, 16

Total number of data values : n = 6

The mean of data is given by :-

$\overline{x}=\dfrac{\sum^6_{i=1}x_i}{n}\\\\\Rightarrow\overline{x}=\dfrac{60}{6}=10$

The standard deviation is given by :-

$\sqrt{\dfrac{1}{n}(\sum^6_{i=1}(x_i-\overline{x})^2)}\\\\=\sqrt{\dfrac{1}{6}(\sum^6_{i=1}(x_i-10)^2)}\\\\=\sqrt{\dfrac{1}{6}\times(49+16+1+1+25+36)}=4.61880215352\approx4.62$

The range of the data : Maximum value -Minimum value

$=16-3=13$

6 0

3 years ago

Convert the fractions to decimals.

AnnZ [28]

<span>3/20: 0.15
7/50: 0.14
9/25: 0.36
4/15: 0.266667
1/9: 0.111111
9/40: 0.225
5/16: 0.3125
7/9: 0.777778
13/20: 0.65
37/50: 0.74
11/30: 0.366667
19/40: </span>0.475

5 0

3 years ago

Karen and her friends went to dinner at Olive Garden. Their bill was $58 including tax.

tester [92]

Answer:

$69.60

Step-by-step explanation:

58 increase 20% =

58 × (1 + 20%) = 58 × (1 + 0.2) = 69.6

6 0

3 years ago